Answer:
the teacher should be sad. the correct answer is 68 inches is NOT greater than 70 inches, therefore a triangle can't be created
Step-by-step explanation:
in a triangle, 2 sides added together have to be greater than the third side or else the triangle can't be created. therefore, since 31+37=68 inches, and 68<70, the triangle can't be created.
<em>1/2</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>1 1/3 + (-5/6) =</em>
<em>= (1*3+1)/3 - 5/6</em>
<em>= ²⁾4/3 - 5/6</em>
<em>= 8/6 - 5/6</em>
<em>= (8 - 5)/6</em>
<em>= 3/6</em>
<em>= 1/2</em>
<em>Good luck !</em>
<span>x^2 - 6x = 14
-6
divided by 2 =
-3
then squared =
9
</span><span>x^2 - 6x +9 = 14 +9
(x -3)^2 = 23
answer is B
Source:
http://www.1728.org/quadr2.htm
</span>
(20 + 12) - 8, since the question states n is EIGHT less than the sum of 20 and 12.
Its B.. Hope that helps :)